Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Guantian, China, where the combination of a Cfa climate and high UV levels can significantly impact skin health. With peak UV exposure frequently reaching levels of 12 and 13 during midday, awareness of these numbers can aid in preventing sunburn and reducing long-term skin damage. Properly gauging the UV Index not only helps you plan your outdoor activities safely but also equips you with knowledge to protect your skin from the sun's harmful rays. Given Guantian's sunny disposition, staying informed about daily UV fluctuations is essential to enjoying the beautiful outdoors while safeguarding your health.
The UV Index today presents a compelling story of rising sun intensity. Starting the day at a modest 2 by 7:00 AM, the levels climb steadily, peaking at a striking 13 from 12:00 PM to 1:00 PM—a reminder to stay protected! As the afternoon sun begins to wane, the UV Index drops to 10 by 2:00 PM before sliding down to 7 at 3:00 PM. By late afternoon, the index reduces significantly to 4 at 4:00 PM, and continues to fall, reaching 1 by 6:00 PM and finally settling at 0 after sunset at 7:00 PM. Remember to take precautions during the peak hours, especially between 11:00 AM and 1:00 PM, when the sun is at its strongest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index experiences significant fluctuations, with the highest values occurring from March to September, when the index reaches an extreme level of 12 to 13. Notably, February marks the transition into high UV levels, and April through August are particularly high-risk months, with a burn time as short as 10 minutes during this period. As summer approaches, residents and visitors should be vigilant and prioritize sun protection strategies, such as wearing sunscreen, hats, and UV-protective clothing, to minimize the risk of skin damage. In contrast, January, October, November, and December see a decrease in the UV Index, categorized as either high or very high, allowing for longer safe exposure times—up to 25 minutes in January and December. It is essential to remain aware of changing UV levels, particularly during these peak months, to ensure health and safety in sunlight.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Beijing UVI | 2 | 3 | 5 | 8 | 9 | 9 | 10 | 9 | 7 | 6 | 4 | 2 |
| Chengdu UVI | 5 | 6 | 8 | 10 | 12 | 11 | 11 | 10 | 11 | 8 | 6 | 4 |
| Shanghai UVI | 5 | 6 | 8 | 10 | 10 | 11 | 12 | 11 | 11 | 8 | 6 | 4 |
| Guangzhou UVI | 7 | 9 | 11 | 12 | 13 | 13 | 13 | 12 | 11 | 10 | 9 | 7 |
| Guantian | 7 | 9 | 12 | 12 | 13 | 13 | 13 | 13 | 12 | 10 | 9 | 7 |
| Shenzhen UVI | 7 | 10 | 12 | 12 | 14 | 13 | 13 | 13 | 12 | 11 | 9 | 7 |